Brief introduction of sizhou

Sizhou, 1999 Edition Cihai Note: "State, Tusi, House Name. In the fourth year of Zhenguan in the Tang Dynasty (AD 630), the state was changed. Zhiwuchuan (now Zhiwuchuan in Chengdong Song Dynasty of Tujia Autonomous County along the river in Guizhou). Jurisdiction over Wuchuan, Yanhe and Yinjiang in Guizhou, Youyang and Xiushan in Chongqing. It was abolished at the end of the Tang Dynasty, resumed at the end of the Northern Song Dynasty, soon abolished, and moved at the beginning of the Southern Song Dynasty. " It is affirmed that Yanhe was the ruling place of Wuchuan County, Wuzhou and Sizhou in Sui, Tang and Five Dynasties and Northern Song Dynasty.